Table 3.
ICSI results, embryo development, pregnancy, and live birth rates using conventional ICSI (CI), conventional Piezo-ICSI (CPI), and improved Piezo-ICSI (IPI)
| CI | CPI | IPI | |
|---|---|---|---|
| No. of oocytes received ICSI | 624 | 717 | 679 |
| No. of oocytes survived after ICSI (%) | 559 (90) a | 680 (95) b | 675 (99) c |
| No. of oocytes fertilized (%) | 424 (68) a | 537 (75) b | 607 (89) c |
| No. of good-quality day-3 embryos (%) | 233 (37) a | 311 (43) b | 371 (55) c |
| No. of cycles of good-quality day-3 embryo transfer | 166 | 153 | 148 |
| No. of clinical pregnancies (%) | 31 (19) a | 32 (21) a | 46 (31) b |
| No. of good-quality day-3 embryos transferred | 166 | 153 | 148 |
| No. of embryos implanted (%) | 31 (19) a | 32 (21) a | 46 (31) b |
| No. of live births (%) | 25 (15) a | 24 (16) a | 37 (25) b |
Values with a different letter in the same column differ significantly (P < 0.05)